The Columbia, South Carolina Sesquicentennial Half Dollar

Most American cities just happen. Columbia, South Carolina was drawn. In 1786, with the Revolution barely over, the state legislature decided Charleston sat too exposed on the coast and too far from the up-country farmers. So they laid out a brand-new capital on a grid in the middle of the state and named it for Christopher Columbus — one of the first planned capital cities in the country.

A century and a half later, in the depths of the Great Depression, Columbia threw itself a 150th birthday party — its sesquicentennial (that's just the Latin-rooted word for a 150th anniversary). And in the 1930s, the way a proud American town marked a milestone was to lobby Congress for its own commemorative coin.

It worked. On March 18, 1936, an act of Congress authorized up to 25,000 commemorative half dollars for the celebration. The local Sesqui-Centennial Commission would buy them from the Mint at face value and resell them above face — the markup was the whole point, a tidy way to fund the festivities without raising a tax. Dozens of towns and causes were playing this game in 1936, and Congress was waving most of them through.

The commission handed the job to a hometown talent: Abraham Wolfe Davidson, a 32-year-old sculptor connected to Clemson College. It did not go smoothly. The federal Commission of Fine Arts — the panel that signs off on coin and monument designs — looked at Davidson's first models and recommended replacing him with a more experienced medallist. A compromise was struck: Davidson would revise his work under the eye of the commission's own sculptor-member, Lee Lawrie (the man behind the famous Atlas at New York's Rockefeller Center). The reworked models were approved on July 22, 1936.

The obverse — the "heads" side — shows a standing figure of Justice with a sword in one hand and the scales in the other. She stands between two buildings: the old State House to her left, dated 1786, and the new State House to her right, dated 1936. It is the whole anniversary in one image — a century and a half of government, then and now, with Columbia itself as the through-line.

The reverse — the "tails" side — is pure South Carolina: a palmetto tree, the state's emblem, ringed by thirteen stars for the original colonies. Crossed arrows are tied to the trunk, and broken oak branches lie at its base. The palmetto is no accident. In 1776, a fort built of spongy palmetto logs on Sullivan's Island absorbed British cannon fire and helped repel an attack on Charleston Harbor — and the palmetto has stood for South Carolina's defiance ever since. One quirk a sharp eye will catch: Davidson's initials never made it onto the finished coin.

Here is what makes this one special: scarcity by design, not by accident. A mint mark is the small letter that tells you which branch of the Mint struck a coin — none for Philadelphia, D for Denver, S for San Francisco. The Columbia half was struck at all three, but only about 8,000 to 9,000 of each came out. That is tiny.

Crucially, the commission sold them all. Many 1930s commemoratives flopped — leftover coins went back to the Mint and were melted, which is why some have higher net mintages on paper than actually survive. Columbia's didn't. The full run found buyers, so the survival rate is high and the population is genuinely small across the board. To get the full set, you need all three mint marks — and the matched three-coin set, often still in its original holder, is the prize most collectors chase.

Distribution was almost charmingly fair. Locals could buy at $2 a coin, mail orders went out at $2.15, and the three-coin set cost $6.45 postpaid. For the first stretch of the sale, only Columbia residents could buy — the hometown got first claim on its own coin.

Because nearly every piece was carefully tucked away by a collector rather than spent, well-struck, lightly handled examples are common enough that condition is everything. The leap in value comes at the top of the grading scale, where a coin shows almost no contact marks and, often, the deep natural toning these silver halves develop in old albums.